APA

Gustafson R. G., Littlewood D. T. J. & Lutz R. A. (1991). Gastropod egg capsules and their contents from deep-sea hydrothermal vent environments. : .

Chicago

Gustafson R G, Littlewood D T J and Lutz R A. 1991. Gastropod egg capsules and their contents from deep-sea hydrothermal vent environments. : .

Harvard

Gustafson R. G., Littlewood D. T. J. and Lutz R. A. (1991). Gastropod egg capsules and their contents from deep-sea hydrothermal vent environments. : .

MLA

Gustafson R G, Littlewood D T J and Lutz R A. Gastropod egg capsules and their contents from deep-sea hydrothermal vent environments. : . 1991.